I am using Python 3.9 on Windows 10 version 2004 x64. PowerShell as Administrator.
Python verion:
Python 3.9.0 (tags/v3.9.0:9cf6752, Oct 5 2020, 15:34:40) [MSC v.1927 64 bit (AMD64)] on win32
Install matplotlib
error.
pip install virtualenv
virtualenv foo
cd .\foo
.\Scripts\active
pip install numpy
pip install matplotlib
Kenil Vasani
The temporary solution is to use numpy 1.19.3.
From this Microsoft thread fix will be available around January 2021.